Diddy — MOCKS Kendrick Lamar … You’re a JOKE!!!!

Breaking News 0814_diddy_jayz_instagram
The backlash against Kendrick Lamar is in FULL SWING … with Diddy putting the rapper on blast on Instagram … and he”s even dragging Jay-Z into the attack.

Lamar has been under fire for the past 24 hours for the lyrics he spits out against other rappers on Big Sean”s new track, “Control” … in which KL refers to himself as the “King of New York.”

Naturally, Diddy took issue with the lyric … considering, well, you know … he thinks HE”S the king of New York.

So Diddy fired back with an image on Instagram, showing himself and Jay-Z, another New York boss, laughing … along with a caption that MOCKS Kendrick”s lyrics.

Diddy ain”t the first to fire back at Kendrick — 67-year-old NBA legend Phil Jackson dropped some knowledge Kendrick”s way yesterday … after KL shouted his name in the same song.